Home / 26,214,662.40-39,405,974.40-18,693,715.20

Finding the Fourth Proportional to 26,214,662.40, 39,405,974.40 and 18,693,715.20

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Solution

The fourth proportional to 26,214,662.40, 39,405,974.40 and 18,693,715.20 is: 28,100,459.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,214,662.40 : 39,405,974.40 = 18,693,715.20 : x
  2. Step 2: Convert to fraction form
    26,214,662.40/39,405,974.40 = 18,693,715.20/x
  3. Step 3: Cross multiply
    26,214,662.40x = 39,405,974.40 × 18,693,715.20
  4. Step 4: Simplify right side
    26,214,662.40x = 736,644,062,612,090.88
  5. Step 5: Solve for x
    x = 736,644,062,612,090.88/26,214,662.40
  6. Step 6: Final answer
    x = 28,100,459.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.